Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Subjective type
Patent
1999-02-16
2000-09-05
Manuel, George
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Subjective type
A61B 302
Patent
active
061132381
ABSTRACT:
A device for demonstrating the effect of glare and its reduction in which light is reflected onto a glare panel, to reflect therefrom at an angle of incidence such that it is horizontally polarized, producing glare to one viewing an underlying graphic but which glare is eliminated by viewing through vertically polarized lenses.
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patent: 5946139 (1999-08-01), Barak
Balch Thomas
Evans Russell E.
Rook Gregory Alan
Yamasaki Nancy L. S.
Manuel George
Younger Mfg. Company
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